如何使用PHP從MySQL數據庫存儲和檢索圖像？如何在MySQL中插入圖像，然后使用PHP檢索圖像？我在這兩個領域的經驗有限，我可以使用一些代碼來讓我開始弄清楚這一點。
3 回答
藍山帝景
TA貢獻1843條經驗 獲得超7個贊
create table testblob ( image_id tinyint(3) not null default '0', image_type varchar(25) not null default '', image blob not null, image_size varchar(25) not null default '', image_ctgy varchar(25) not null default '', image_name varchar(50) not null default '');
/***
* All of the below MySQL_ commands can be easily
* translated to MySQLi_ with the additions as commented
***/ $imgData = file_get_contents($filename);$size = getimagesize($filename);mysql_connect("localhost", "$username", "$password");mysql_select_db ("$dbname");// mysqli // $link = mysqli_connect("localhost", $username, $password,$dbname); $sql = sprintf("INSERT INTO testblob
(image_type, image, image_size, image_name)
VALUES
('%s', '%s', '%d', '%s')",
/***
* For all mysqli_ functions below, the syntax is:
* mysqli_whartever($link, $functionContents);
***/
mysql_real_escape_string($size['mime']),
mysql_real_escape_string($imgData),
$size[3],
mysql_real_escape_string($_FILES['userfile']['name'])
);mysql_query($sql);$link = mysql_connect("localhost", "username", "password");mysql_select_db("testblob");$sql = "SELECT image FROM testblob WHERE image_id=0";$result = mysql_query("$sql");header("Content-type: image/jpeg");echo mysql_result($result, 0);mysql_close($link);
aluckdog
TA貢獻1847條經驗 獲得超7個贊
所以別這么做
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